Bug 1428487 (CVE-2017-6346) - CVE-2017-6346 kernel: net: Race condition in net/packet/af_packet.c
Summary: CVE-2017-6346 kernel: net: Race condition in net/packet/af_packet.c
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2017-6346
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1434245 1434246 1434247 1434248 1434249
Blocks: 1428495
TreeView+ depends on / blocked
 
Reported: 2017-03-02 16:48 UTC by Andrej Nemec
Modified: 2021-02-17 02:31 UTC (History)
36 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2017-04-12 16:15:11 UTC
Embargoed:

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Description Andrej Nemec 2017-03-02 16:48:06 UTC 
Race condition in net/packet/af_packet.c in the Linux kerne allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a multithreaded application that makes PACKET_FANOUT setsockopt system calls. 

Upstream patch:

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d199fab63c11998a602205f7ee7ff7c05c97164b

References:

http://seclists.org/oss-sec/2017/q1/526
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